Home / 713,354.24-1,069,720.29-269,811.20

Finding the Fourth Proportional to 713,354.24, 1,069,720.29 and 269,811.20

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Solution

The fourth proportional to 713,354.24, 1,069,720.29 and 269,811.20 is: 404,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,354.24 : 1,069,720.29 = 269,811.20 : x
  2. Step 2: Convert to fraction form
    713,354.24/1,069,720.29 = 269,811.20/x
  3. Step 3: Cross multiply
    713,354.24x = 1,069,720.29 × 269,811.20
  4. Step 4: Simplify right side
    713,354.24x = 288,622,515,109.25
  5. Step 5: Solve for x
    x = 288,622,515,109.25/713,354.24
  6. Step 6: Final answer
    x = 404,599.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.